112120112221211 has 4 divisors (see below), whose sum is σ = 112872596196000. Its totient is φ = 111367628246424.

The previous prime is 112120112221193. The next prime is 112120112221253. The reversal of 112120112221211 is 112122211021211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112120112221211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112120112221111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376241987171 + ... + 376241987468.

It is an arithmetic number, because the mean of its divisors is an integer number (28218149049000).

Almost surely, 2^{112120112221211} is an apocalyptic number.

112120112221211 is a deficient number, since it is larger than the sum of its proper divisors (752483974789).

112120112221211 is an equidigital number, since it uses as much as digits as its factorization.

112120112221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752483974788.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112120112221211 its reverse (112122211021211), we get a palindrome (224242323242422).

The spelling of 112120112221211 in words is "one hundred twelve trillion, one hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, two hundred eleven".